Archive day

February 18, 2026

2,099 public questions were asked on this day.

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A wind turbine takes in energy from wind with the goal of converting it into electrical energy. Much of the wind energy is also converted into the kinetic energy of the spinning turbine and heat lost to the air around it...
Asked by Christian 1 answer
Which of the following is true of deciduous forests? a. characterized by four seasons b. trees maintain their leaves year round c. precipitation is concentrated in one season d. averages 5-10 inches of precipitation annu...
Asked by g 1 answer
The loudness, L, measured in decibels (Db), of a sound intensity, I, measured in watts per square meter, is defined as L = 10 log StartFraction I Over I 0 EndFraction, where I 0 = 10 Superscript negative 12 and is the le...
Asked by v8 1 answer
Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional questions. Online Content: Site 1 What is the projected result of converting 25% or less of...
Asked by k 1 answer
What happens to water in the atmosphere as it rises? a. It evaporates. b. It condenses and forms clouds. c. It combines with other gases in the air. d. It is used up.
Asked by g 1 answer
Amelia is doing an experiment in which she is going to burn various solid chemicals to see the colors of flames they produce. For this laboratory experiment, what types of safety precautions should she take? tie hair bac...
Asked by ty 1 answer
Question "Saturn: Some Essential Ingredients for Life" by Sarah Kaplan If you were going to cook up life on another world, Titan is the place to do it. Saturn’s largest moon is rich with carbon, nitrogen and hydrogen - e...
Asked by unknown 1 answer
Use the drop-down menus to complete each sentence. To run the physics cart, the fan speed of the cart is manipulated. This is the variable. The cart accelerates due to the speed of the fan. Acceleration is therefore the...
Asked by tt 1 answer
Which of the following two cycles are the most closely related in their role in sustaining life? a. carbon and nitrogen b. water and nitrogen c. carbon and oxygen d. nitrogen and phosphorus
Asked by g 1 answer
What is the range of the function y = 2 e Superscript x Baseline minus 1 all real numbers less than –1 all real numbers greater than –1 all real numbers less than 1 all real numbers greater than 1
Asked by v8 1 answer
Use the passage from an argument to answer the following question. Food is the largest and most valuable part of the packaged products industry in the United States. As such, the waste from packaged products contributes...
Asked by bob 1 answer
Which of the following is the adaptation that allows animals to survive in high altitudes, which contain lower levels of oxygen? a. migration b. higher levels of hemoglobin c. insulating feathers d. higher body temperatu...
Asked by g 1 answer
What is the true solution to the equation below? mc023-1.jpg mc023-2.jpg and mc023-3.jpg mc023-4.jpg and mc023-5.jpg mc023-6.jpg and mc023-7.jpg mc023-8.jpg and mc023-9.jpg
Asked by v8 1 answer
An equation for the depreciation of a car is given by y = A(1 – r)t , where y = current value of the car, A = original cost, r = rate of depreciation, and t = time, in years. The value of a car is half what it originally...
Asked by v8 1 answer
The power ratings of several motors are listed in the table. A 2 column table with 3 rows. The first column is labeled motor with entries, brand X, brand Y, brand Z. The second column is labeled Power in watts with entri...
Asked by Christian 1 answer
All wetlands are considered freshwater ecosystems.
Asked by g 1 answer
Find the area of triangle ABC. A. 146 m^2. B. 73 m^2. C. 80 m^2. D. 33 m^2. AC is 16 m and BC is 10 m. The angle which is near AC and BC is 66.
Asked by Ian 1 answer
The loudness, L, measured in decibels (Db), of a sound intensity, I, measured in watts per square meter, is defined as L = 10 log StartFraction I Over I 0 EndFraction, where I 0 = 10 Superscript negative 12 and is the le...
Asked by v8 1 answer
A spinner with repeated colors numbered from 1 to 8 is shown. Sections 1 and 8 are purple. Sections 2 and 3 are yellow. Sections 4, 5, and 6 are blue. Section 7 is orange. A spinner divided into eight equal colored secti...
Asked by ashley 1 answer
What is the solution to 2 log Subscript 9 Baseline (x) = log Subscript 9 Baseline 8 + log Subscript 9 Baseline (x minus 2) x = negative 4 x = negative 2 x = 4 x = 8
Asked by v8 1 answer
Explain how biopharmaceuticals can be created using plants. short paragraph
Asked by k 1 answer
Which of the following statements about Earth’s cycles is not true? a. Earth’s cycles move matter between abiotic and biotic factors of the environment. b. The various cycles found on Earth are vital to life. c. Some of...
Asked by g 1 answer
What is the solution to the equation below? mc008-1.jpg mc008-2.jpg mc008-3.jpg mc008-4.jpg mc008-5.jpg
Asked by v8 1 answer
Women did not get the right to vote in Britain or in the United States until the 1890s. the 1920s. the 1930s. the 1960s. The word for political or social change is abolition. strike. reform. suffrage. When did Britain ab...
Asked by justin 1 answer
What is the kinetic energy of an object that has a mass of 50.0 kg and a velocity of 18 m/s? 450 J 900 J 8,100 J 16,000 J
Asked by Christian 1 answer